
DIGITAL BETACAM VIDEOTAPE

Digital Betacam (commonly abbreviated to Digibeta or d-beta or dbc) was launched in 1993. It supersedes both Betacamand Betacam SP, while costing significantly less than the D1 format and providing high quality and reliability. Stapes are available with up to 40 minutes running time, and L tapes with up to 124 minutes.

The Digital Betacam format records a DCT-compressed component video signal at 10-bit YUV 4:2:2 sampling in PAL (720Å~576) or NTSC (720Å~486) resolutions at a bitrate of 90 Mbit/s plus 4 channels of uncompressed 48 kHz PCM-encoded audio. A 5th audio track is available for cueing, and a linear timecode track is also used on the tape.

Some Digital Betacam equipment can also read Betacam and Betacam SP tapes. Along with the identical cassette size, this meant for easy upgrading.

Digital Betacam is considered to be the gold standard of formats for standard-definition digital video, is capable of outperforming cheaper digital formats such as DVCAM and DVCPRO, and associated equipment is comparatively expensive. Panasonic offers the DVCPRO50 competing format, which has similar technical abilities.
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